
Skada:AddLoadableModule("DamageTaken", function(Skada, L)
	if Skada.db.profile.modulesBlocked.DamageTaken then return end

	local mod = Skada:NewModule(L["Damage taken"])
	local playermod = Skada:NewModule(L["List of damaging spells"])
	local spelloverview = Skada:NewModule(L["Damage taken by spell"])
	local spellplayers = Skada:NewModule(L["List of damaged players"])

	local function log_damage_taken(set, dmg)
		-- Get the player.
		local player = Skada:get_player(set, dmg.playerid, dmg.playername)
		if player then
			-- Also add to set total damage taken.
			set.damagetaken = set.damagetaken + dmg.amount

			-- Add spell to player if it does not exist.
			if not player.damagetakenspells[dmg.spellname] or not player.damagetakenspells[dmg.spellname]['absorbed'] then
				player.damagetakenspells[dmg.spellname] = {id = dmg.spellid, name = dmg.spellname, damage = 0, totalhits = 0, min = nil, max = nil, crushing = 0, glancing = 0, resisted = 0, critical = 0, absorbed = 0, blocked = 0, multistrike = 0}
			end

			-- Add to player total damage.
			player.damagetaken = player.damagetaken + dmg.amount

			-- Get the spell from player.
			local spell = player.damagetakenspells[dmg.spellname]
			spell.id = dmg.spellid
			spell.damage = spell.damage + dmg.amount

			if spell.max == nil or dmg.amount > spell.max then
				spell.max = dmg.amount
			end

			if dmg.multistrike then
				spell.multistrike = (spell.multistrike or 0) + 1
			end

			if dmg.crushing then
				spell.crushing = spell.crushing + 1
			end

			if dmg.blocked then
				spell.blocked = spell.blocked + dmg.blocked
			end

			if dmg.absorbed then
				spell.absorbed = spell.absorbed + dmg.absorbed
			end

			if dmg.critical then
				spell.critical = spell.critical + 1
			end

			if dmg.resisted then
				spell.resisted = spell.resisted + dmg.resisted
			end

			if dmg.glancing then
				spell.glancing = spell.glancing + 1
			end

			if (spell.min == nil or dmg.amount < spell.min) then
				spell.min = dmg.amount
			end
			spell.totalhits = (spell.totalhits or 0) + 1

		end
	end

	local dmg = {}

	local function SpellDamage(timestamp, eventtype, srcGUID, srcName, srcFlags, dstGUID, dstName, dstFlags, ...)
		local spellId, spellName, spellSchool, samount, soverkill, sschool, sresisted, sblocked, sabsorbed, scritical, sglancing, scrushing, soffhand, smultistrike = ...

		dmg.playerid = dstGUID
		dmg.playername = dstName
		dmg.spellid = spellId
		dmg.spellname = spellName
		dmg.amount = samount
		dmg.blocked = sblocked
		dmg.absorbed = sabsorbed
		dmg.critical = scritical
		dmg.resisted = sresisted
		dmg.glancing = sglancing
		dmg.crushing = scrushing
		dmg.offhand = soffhand
		dmg.multistrike = smultistrike

		log_damage_taken(Skada.current, dmg)
		log_damage_taken(Skada.total, dmg)
	end

	local function SwingDamage(timestamp, eventtype, srcGUID, srcName, srcFlags, dstGUID, dstName, dstFlags, ...)
		-- White melee.
		local samount, soverkill, sschool, sresisted, sblocked, sabsorbed, scritical, sglancing, scrushing, soffhand, smultistrike = ...

		dmg.playerid = dstGUID
		dmg.playername = dstName
		dmg.spellid = 6603
		dmg.spellname = L["Attack"]
		dmg.amount = samount
		dmg.blocked = sblocked
		dmg.absorbed = sabsorbed
		dmg.critical = scritical
		dmg.resisted = sresisted
		dmg.glancing = sglancing
		dmg.crushing = scrushing
		dmg.offhand = soffhand
		dmg.multistrike = smultistrike

		log_damage_taken(Skada.current, dmg)
		log_damage_taken(Skada.total, dmg)
	end

	function spelloverview:Update(win,set)
		local max = 0

		-- Aggregate the data.
		local tmp = {}
		for i, player in ipairs(set.players) do
			if player.damagetaken > 0 then
				for name, spell in pairs(player.damagetakenspells) do
					if not tmp[name] then
						tmp[name] = {id = spell.id, damage = spell.damage}
					else
						tmp[name].damage = tmp[name].damage + spell.damage
					end
				end
			end
		end

		local nr = 1
		for name, spell in pairs(tmp) do
			local d = win.dataset[nr] or {}
			win.dataset[nr] = d

			d.label = name
			d.value = spell.damage
			d.valuetext = Skada:FormatNumber(spell.damage)..(" (%02.1f%%)"):format(spell.damage / set.damagetaken * 100)
			d.id = name
			local _, _, icon = GetSpellInfo(spell.id)
			d.icon = icon
			d.spellid = spell.id

			if spell.damage > max then
				max = spell.damage
			end
			nr = nr + 1
		end
		win.metadata.maxvalue = max
	end

	function spellplayers:Enter(win, id, label)
		spellplayers.spellname = id
		spellplayers.title = label.." "..L["targets"]
	end

	function spellplayers:Update(win, set)
		local max = 0

		local nr = 1
		for i, player in ipairs(set.players) do
			if player.damagetaken > 0 and player.damagetakenspells[self.spellname] then
				local d = win.dataset[nr] or {}
				win.dataset[nr] = d

				d.label = player.name
				d.value = player.damagetakenspells[self.spellname].damage
				d.valuetext = Skada:FormatNumber(player.damagetakenspells[self.spellname].damage)
				d.id = player.id
				d.class = player.class

				if player.damagetakenspells[self.spellname].damage > max then
					max = player.damagetakenspells[self.spellname].damage
				end
				nr = nr + 1
			end
		end

		win.metadata.maxvalue = max
	end

	function mod:Update(win, set)
		local max = 0

		local nr = 1
		for i, player in ipairs(set.players) do
			if player.damagetaken > 0 then
				local d = win.dataset[nr] or {}
				win.dataset[nr] = d

				local totaltime = Skada:PlayerActiveTime(set, player)
				local dtps = player.damagetaken / math.max(1,totaltime)

				d.label = player.name
				d.value = player.damagetaken

				d.valuetext = Skada:FormatValueText(
												Skada:FormatNumber(player.damagetaken), self.metadata.columns.Damage,
												string.format("%02.1f", dtps), self.metadata.columns.DTPS,
												string.format("%02.1f%%", player.damagetaken / set.damagetaken * 100), self.metadata.columns.Percent
											)
				d.id = player.id
				d.class = player.class

				if player.damagetaken > max then
					max = player.damagetaken
				end
				nr = nr + 1
			end
		end

		win.metadata.maxvalue = max
	end

	function playermod:Enter(win, id, label)
		playermod.playerid = id
		playermod.title = label..L["'s Damage taken"]
	end

	-- Detail view of a player.
	function playermod:Update(win, set)
		-- View spells for this player.

		local player = Skada:find_player(set, self.playerid)

		local nr = 1
		if player then
			local max = 0
			for spellname, spell in pairs(player.damagetakenspells) do

				local d = win.dataset[nr] or {}
				win.dataset[nr] = d

				d.label = spellname
				d.value = spell.damage
				local _, _, icon = GetSpellInfo(spell.id)
				d.icon = icon
				d.id = spellname
				d.spellid = spell.id
				d.valuetext = Skada:FormatNumber(spell.damage)..(" (%02.1f%%)"):format(spell.damage / player.damagetaken * 100)

				max = math.max(max, spell.damage)
				nr = nr + 1
			end

			-- Sort the possibly changed bars.
			win.metadata.maxvalue = max
		end
	end

	-- Tooltip for a specific spell.
	local function playerspell_tooltip(win, id, label, tooltip)
		local player = Skada:find_player(win:get_selected_set(), playermod.playerid)
		if player then
			local spell = player.damagetakenspells[label]
			if spell then
				tooltip:AddLine(player.name.." - "..label)
				tooltip:AddDoubleLine(L["Hit"]..":", spell.totalhits, 255,255,255,255,255,255)
				if spell.critical > 0 then
					tooltip:AddDoubleLine(L["Critical"]..":", spell.critical, 255,255,255,255,255,255)
				end
				if spell.multistrike > 0 then
					tooltip:AddDoubleLine(L["Multistrike"]..":", spell.multistrike, 255,255,255,255,255,255)
				end
				if spell.glancing > 0 then
					tooltip:AddDoubleLine(L["Glancing"]..":", spell.glancing, 255,255,255,255,255,255)
				end
				if spell.crushing > 0 then
					tooltip:AddDoubleLine(L["Crushing"]..":", spell.crushing, 255,255,255,255,255,255)
				end
				if spell.max and spell.min then
					tooltip:AddDoubleLine(L["Minimum hit:"], Skada:FormatNumber(spell.min), 255,255,255,255,255,255)
					tooltip:AddDoubleLine(L["Maximum hit:"], Skada:FormatNumber(spell.max), 255,255,255,255,255,255)
				end
				tooltip:AddDoubleLine(L["Average hit:"], Skada:FormatNumber(spell.damage / spell.totalhits), 255,255,255,255,255,255)
				if spell.blocked > 0 then
					tooltip:AddDoubleLine(L["Blocked"]..":", Skada:FormatNumber(spell.blocked), 255,255,255,255,255,255)
				end
				if spell.resisted > 0 then
					tooltip:AddDoubleLine(L["Resisted"]..":", Skada:FormatNumber(spell.resisted), 255,255,255,255,255,255)
				end
				if spell.absorbed > 0 then
					tooltip:AddDoubleLine(L["Absorbed"]..":", Skada:FormatNumber(spell.absorbed), 255,255,255,255,255,255)
				end
			end
		end
	end


	function mod:OnEnable()
		playermod.metadata 		= {tooltip = playerspell_tooltip}
		mod.metadata 			= {click1 = playermod, showspots = true, columns = {Damage = true, DTPS = true, Percent = true}}
		spelloverview.metadata	= {click1 = spellplayers, showspots = true}

		Skada:RegisterForCL(SpellDamage, 'SPELL_DAMAGE', {dst_is_interesting_nopets = true})
		Skada:RegisterForCL(SpellDamage, 'SPELL_PERIODIC_DAMAGE', {dst_is_interesting_nopets = true})
		Skada:RegisterForCL(SpellDamage, 'SPELL_BUILDING_DAMAGE', {dst_is_interesting_nopets = true})
		Skada:RegisterForCL(SpellDamage, 'RANGE_DAMAGE', {dst_is_interesting_nopets = true})

		Skada:RegisterForCL(SwingDamage, 'SWING_DAMAGE', {dst_is_interesting_nopets = true})

		Skada:AddMode(self)
		Skada:AddMode(spelloverview)
	end

	function mod:OnDisable()
		Skada:RemoveMode(self)
	end

	-- Called by Skada when a new player is added to a set.
	function mod:AddPlayerAttributes(player)
		if not player.damagetaken then
			player.damagetaken = 0
			player.damagetakenspells = {}
		end
	end

	-- Called by Skada when a new set is created.
	function mod:AddSetAttributes(set)
		if not set.damagetaken then
			set.damagetaken = 0
		end
	end

	function mod:GetSetSummary(set)
		return Skada:FormatNumber(set.damagetaken)
	end
end)

